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KCET2022ChemistryCoordination Compounds

What will be the value of x in Fe ^ x+ , if the magnetic moment, = 24 BM ?

Options

  1. A+3
  2. B0
  3. C+1
  4. D+2

Correct answer

D. +2

Step-by-step solution

Given that, magnetic moment, = 24 and = n(n+2) where, n= unpaired electrons gathered 24 = n(n+2) 24=n(n+2)=n^2+2 n n^2+2 n-24=0 n^2+6 n-4 n-24=0 n(n+6)-4(n+6)=0 (n-4)(n+6)=0 n=4,-6 gathered Number of unpaired electrons =4 If oxidation of F is +2 then it has 4 unpaired electrons.

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